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HMK2820 - NTN

HMK2820

Needle roller bearing, drawn cup, open end, heavy load

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Technical datasheet

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Specs

PRODUCT DIMENSIONS

Under rollers diameter (Fw) 28 mm
External diameter D 37 mm
Width of bearing, drawn cup or outer ring (C) 20 mm
Lubrication hole on outer ring No
Inner ring reference IR22X28X20.5
Mass 0,049 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load rating (Cr) 23,6 kN
Static load rating (C0r) 32,5 kN
Nlim (grease) 5500 tr/min
Nlim (oil) 8500 tr/min
Min operating temperature, Tmin -20 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,444 Hz
Characteristic rolling element frequency, BSF 8,889 Hz
Characteristic outer ring frequency, BPF0 7,111 Hz
Characteristic inner ring frequency, BPFI 8,889 Hz